EP3604908A4 - Backlight unit - Google Patents

Backlight unit Download PDF

Info

Publication number
EP3604908A4
EP3604908A4 EP17901599.5A EP17901599A EP3604908A4 EP 3604908 A4 EP3604908 A4 EP 3604908A4 EP 17901599 A EP17901599 A EP 17901599A EP 3604908 A4 EP3604908 A4 EP 3604908A4
Authority
EP
European Patent Office
Prior art keywords
backlight unit
backlight
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP17901599.5A
Other languages
German (de)
French (fr)
Other versions
EP3604908A1 (en
Inventor
Se Been Oh
Seung Zu Young
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meekyungtec Co Ltd
Original Assignee
Meekyungtec Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Meekyungtec Co Ltd filed Critical Meekyungtec Co Ltd
Publication of EP3604908A1 publication Critical patent/EP3604908A1/en
Publication of EP3604908A4 publication Critical patent/EP3604908A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/0994—Fibers, light pipes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/02—Rear-view mirror arrangements
    • B60R1/06—Rear-view mirror arrangements mounted on vehicle exterior
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/02—Rear-view mirror arrangements
    • B60R1/08—Rear-view mirror arrangements involving special optical features, e.g. avoiding blind spots, e.g. convex mirrors; Side-by-side associations of rear-view and other mirrors
    • B60R1/081—Rear-view mirror arrangements involving special optical features, e.g. avoiding blind spots, e.g. convex mirrors; Side-by-side associations of rear-view and other mirrors avoiding blind spots, e.g. by using a side-by-side association of mirrors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
    • B60R1/1207—Mirror assemblies combined with other articles, e.g. clocks with lamps; with turn indicators
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0284—Diffusing elements; Afocal elements characterized by the use used in reflection
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/2661—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions
    • B60Q1/2665—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions on rear-view mirrors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
    • B60R2001/1215—Mirror assemblies combined with other articles, e.g. clocks with information displays

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Planar Illumination Modules (AREA)
EP17901599.5A 2017-03-23 2017-07-11 Backlight unit Withdrawn EP3604908A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170036767A KR101804311B1 (en) 2017-03-23 2017-03-23 Back light unit
PCT/KR2017/007384 WO2018174343A1 (en) 2017-03-23 2017-07-11 Backlight unit

Publications (2)

Publication Number Publication Date
EP3604908A1 EP3604908A1 (en) 2020-02-05
EP3604908A4 true EP3604908A4 (en) 2020-12-23

Family

ID=60921339

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17901599.5A Withdrawn EP3604908A4 (en) 2017-03-23 2017-07-11 Backlight unit

Country Status (6)

Country Link
US (1) US20200096695A1 (en)
EP (1) EP3604908A4 (en)
JP (1) JP2020510303A (en)
KR (1) KR101804311B1 (en)
CN (1) CN110431346A (en)
WO (1) WO2018174343A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101820500B1 (en) 2017-08-03 2018-01-19 (주)미경테크 Back light unit
KR102008866B1 (en) * 2018-01-19 2019-08-08 (주)미경테크 Back light unit with connector structure
KR102654756B1 (en) * 2018-12-12 2024-04-04 현대자동차주식회사 Glass Indicator Using Fixed Window and Vehicle Thereof
WO2021141166A1 (en) * 2020-01-10 2021-07-15 (주)미경테크 Backlight unit including connector structure
FR3109918B1 (en) * 2020-05-05 2023-02-24 Faurecia Interieur Ind Trim element comprising two independent backlit areas
CN216268972U (en) * 2021-06-03 2022-04-12 江苏海华汽车部件有限公司 Rearview mirror with RGB warning light
KR20230066747A (en) 2021-11-08 2023-05-16 현대자동차주식회사 Backlight unit for blind spot warning

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040196667A1 (en) * 2001-10-03 2004-10-07 Lea Michael Charles Light-guide lights providing a substantially monochromatic beam
US20090115631A1 (en) * 2007-11-05 2009-05-07 Magna Mirrors Of America, Inc. Exterior mirror with indicator
US20110211335A1 (en) * 2010-12-06 2011-09-01 Se Jin Ko Backlight unit
US20110211360A1 (en) * 2007-03-14 2011-09-01 Joerg Kuhn Rearview mirror with illuminated area
US20140185310A1 (en) * 2012-12-27 2014-07-03 Gentex Corporation Light system
CN204328541U (en) * 2014-12-08 2015-05-13 重庆三三电器有限公司 Meter lamp backing structure
KR101526792B1 (en) * 2014-03-06 2015-06-05 현대자동차주식회사 Back light unit for outside mirror of vehicle
US20160046239A1 (en) * 2014-08-15 2016-02-18 Muth Mirror Systems, Llc Rearview mirror with selective refelction and method of manufacture
US20160209000A1 (en) * 2015-01-19 2016-07-21 SMR Patents S.à.r.l. Light Guiding Device
KR20170007922A (en) * 2015-07-13 2017-01-23 엘지이노텍 주식회사 Lamp unit for vechile

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6700692B2 (en) * 1997-04-02 2004-03-02 Gentex Corporation Electrochromic rearview mirror assembly incorporating a display/signal light
JP5577038B2 (en) * 2006-03-09 2014-08-20 ジェンテックス コーポレイション Vehicle rear view assembly including high brightness display
US7926994B2 (en) * 2008-01-16 2011-04-19 Christie Digital Systems Usa, Inc. Uniform light production system and apparatus
JP2012131277A (en) * 2010-12-20 2012-07-12 Tokai Rika Co Ltd Vehicle mirror device
CN102121643A (en) * 2011-01-31 2011-07-13 马瑞利汽车电子(广州)有限公司 Backlight module
WO2012112536A2 (en) 2011-02-14 2012-08-23 Gentex Corporation Low profile optical lighting assembly for use in outside vehicle mirror and method of forming same
KR101824039B1 (en) * 2011-07-29 2018-01-31 엘지이노텍 주식회사 display apparatus
KR101637331B1 (en) 2011-11-23 2016-07-07 무스 미러 시스템즈, 엘엘씨 Optic assembly having virtual external common focus
JP6248473B2 (en) * 2013-08-28 2017-12-20 日本精機株式会社 Head-up display device
KR101500226B1 (en) 2013-12-18 2015-03-18 현대자동차주식회사 Inside mirror with built-in clock for vehicle and method

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040196667A1 (en) * 2001-10-03 2004-10-07 Lea Michael Charles Light-guide lights providing a substantially monochromatic beam
US20110211360A1 (en) * 2007-03-14 2011-09-01 Joerg Kuhn Rearview mirror with illuminated area
US20090115631A1 (en) * 2007-11-05 2009-05-07 Magna Mirrors Of America, Inc. Exterior mirror with indicator
US20110211335A1 (en) * 2010-12-06 2011-09-01 Se Jin Ko Backlight unit
US20140185310A1 (en) * 2012-12-27 2014-07-03 Gentex Corporation Light system
KR101526792B1 (en) * 2014-03-06 2015-06-05 현대자동차주식회사 Back light unit for outside mirror of vehicle
US20160046239A1 (en) * 2014-08-15 2016-02-18 Muth Mirror Systems, Llc Rearview mirror with selective refelction and method of manufacture
CN204328541U (en) * 2014-12-08 2015-05-13 重庆三三电器有限公司 Meter lamp backing structure
US20160209000A1 (en) * 2015-01-19 2016-07-21 SMR Patents S.à.r.l. Light Guiding Device
KR20170007922A (en) * 2015-07-13 2017-01-23 엘지이노텍 주식회사 Lamp unit for vechile

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018174343A1 *

Also Published As

Publication number Publication date
KR101804311B1 (en) 2017-12-04
WO2018174343A1 (en) 2018-09-27
CN110431346A (en) 2019-11-08
US20200096695A1 (en) 2020-03-26
JP2020510303A (en) 2020-04-02
EP3604908A1 (en) 2020-02-05

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